More information about the WebSDR project can be found on http://www.websdr.org .

RX: RTL-SDR
ANT: X-Yagi

It seems you are using a mobile device; click here to switch to the mobile version of this site.

View:
Allow keyboard:
j k ← → : freq down/up (+shift/ctrl/alt faster)
u l c a f : USB, LSB, CW, AM, FM
z Z : center/zoom waterfall
g : enter frequency
Waterfall: Java HTML5     Sound: Java HTML5
Click here to start audio:

test test
test test
test test
test test
test test
test test
test test
test test

Frequency: kHz

Or tune by clicking/dragging/scrollwheel on the frequency scale.

Memories:
(new)
Bandwidth:
7.69 kHz @ -6dB; 8.15 kHz @ -60dB.
Or drag the passband edges on the frequency scale.
Waterfall view:
Or use scroll wheel and dragging on waterfall.
Speed:
Size:
View:


[scale]
? dB; peak ? dB;
mute squelch autonotch
Volume:

Audio recording:

Signal strength plot:
Logbook:
Call of station that you hear:
Comments, if any:
Note: time, frequency, your name/call, and DXCC information are added automatically.
View the last 20 lines of the logbook , or the entire logbook (ctrl-click for new tab/window).


This WebSDR is currently being used by 4 user(s) simultaneously:      compact view

::ffff:192.168.3.1

::ffff:192.168.3.1
::ffff:192.168.3.1
::ffff:192.168.3.1


Statistics:
Past 10 seconds: CPUload=38.2%, 4.00 users; audio 35.0 kb/s, waterfall 785.5 kb/s, http 88.3 kb/s

WebSDR HTML5 sound - Copyright 2007-2018, P.T. de Boer, pa3fwm@websdr.org